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Microstructural Evolution of Radiation Induced Defects In ZnO During Isochronal Annealing

Published online by Cambridge University Press:  15 February 2011

S. Brunner ,
W. Puff ,
P. Mascher  and
A.G. Balogh
S. Brunner
Affiliation:
Institut für Technische Physik, Technische Universität Graz, A-8010 Graz, Austria
W. Puff
Affiliation:
Institut für Technische Physik, Technische Universität Graz, A-8010 Graz, Austria
P. Mascher
Affiliation:
Centre for Electrophotonic Materials and Devices, Department of Engineering Physics, McMaster University, Hamilton, Ontario L8S 4L7, Canada
A.G. Balogh
Affiliation:
Department of Materials Science, Technische Hochschule Darmstadt, Darmstadt, Germany
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Abstract

In this study we discuss the microstructural changes after electron and proton irradiation and the thermal evolution of the radiation induced defects during isochronal annealing. The nominally undoped samples were irradiated either with 3 MeV protons to a fluence of 1.2× 1018 p/cm2 or with 1 MeV electrons to a fluence of 1×1018 e/cm2. The investigation was performed with positron lifetime and Doppler-broadening measurements. The measurements were done at room temperature and in some cases down to 10 K to investigate the thermal dependence of the trapping characteristics of the positrons.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 540: Symposium N / Microstructural Processes in Irradiated Materials , 1998 , 207
Copyright
Copyright © Materials Research Society 1999

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